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Fixed version of 118639 with an extra assert to catch similar problems

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earlier. Implicit bool -> int conversions are evil!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118651 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2010-11-09 23:42:07 +00:00
parent 5fa22a1975
commit 34be396a12
7 changed files with 33 additions and 51 deletions
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1
include/llvm/MC/MCContext.h
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@ -140,7 +140,6 @@ namespace llvm {
const MCSection *getELFSection(StringRef Section, unsigned Type,
unsigned Flags, SectionKind Kind,
bool IsExplicit = false,
unsigned EntrySize = 0);
const MCSection *getCOFFSection(StringRef Section, unsigned Characteristics,

11
include/llvm/MC/MCSectionELF.h
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@ -32,10 +32,6 @@ class MCSectionELF : public MCSection {
/// below.
unsigned Flags;
/// IsExplicit - Indicates that this section comes from globals with an
/// explicit section specified.
bool IsExplicit;
/// EntrySize - The size of each entry in this section. This size only
/// makes sense for sections that contain fixed-sized entries. If a
/// section does not contain fixed-sized entries 'EntrySize' will be 0.
@ -44,9 +40,9 @@ class MCSectionELF : public MCSection {
private:
friend class MCContext;
MCSectionELF(StringRef Section, unsigned type, unsigned flags,
SectionKind K, bool isExplicit, unsigned entrySize)
SectionKind K, unsigned entrySize)
: MCSection(SV_ELF, K), SectionName(Section), Type(type), Flags(flags),
IsExplicit(isExplicit), EntrySize(entrySize) {}
EntrySize(entrySize) {}
~MCSectionELF();
public:
@ -54,9 +50,6 @@ public:
/// should be printed before the section name
bool ShouldOmitSectionDirective(StringRef Name, const MCAsmInfo &MAI) const;
/// ShouldPrintSectionType - Only prints the section type if supported
bool ShouldPrintSectionType(unsigned Ty) const;
/// HasCommonSymbols - True if this section holds common symbols, this is
/// indicated on the ELF object file by a symbol with SHN_COMMON section
/// header index.

2
lib/CodeGen/TargetLoweringObjectFileImpl.cpp
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@ -262,7 +262,7 @@ getExplicitSectionGlobal(const GlobalValue *GV, SectionKind Kind,
return getContext().getELFSection(SectionName,
getELFSectionType(SectionName, Kind),
getELFSectionFlags(Kind), Kind, true);
getELFSectionFlags(Kind), Kind);
}
static const char *getSectionPrefixForUniqueGlobal(SectionKind Kind) {

6
lib/MC/ELFObjectWriter.cpp
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@ -1065,7 +1065,7 @@ void ELFObjectWriterImpl::WriteRelocation(MCAssembler &Asm, MCAsmLayout &Layout,
RelaSection = Ctx.getELFSection(RelaSectionName, HasRelocationAddend ?
ELF::SHT_RELA : ELF::SHT_REL, 0,
SectionKind::getReadOnly(),
false, EntrySize);
EntrySize);
MCSectionData &RelaSD = Asm.getOrCreateSectionData(*RelaSection);
RelaSD.setAlignment(Is64Bit ? 8 : 4);
@ -1164,7 +1164,7 @@ void ELFObjectWriterImpl::CreateMetadataSections(MCAssembler &Asm,
const MCSection *SymtabSection =
Ctx.getELFSection(".symtab", ELF::SHT_SYMTAB, 0,
SectionKind::getReadOnly(),
false, EntrySize);
EntrySize);
MCSectionData &SymtabSD = Asm.getOrCreateSectionData(*SymtabSection);
SymtabSD.setAlignment(Is64Bit ? 8 : 4);
SymbolTableIndex = Asm.size();
@ -1174,7 +1174,7 @@ void ELFObjectWriterImpl::CreateMetadataSections(MCAssembler &Asm,
if (NeedsSymtabShndx) {
const MCSection *SymtabShndxSection =
Ctx.getELFSection(".symtab_shndx", ELF::SHT_SYMTAB_SHNDX, 0,
SectionKind::getReadOnly(), false, 4);
SectionKind::getReadOnly(), 4);
SymtabShndxSD = &Asm.getOrCreateSectionData(*SymtabShndxSection);
SymtabShndxSD->setAlignment(4);
}

4
lib/MC/MCContext.cpp
View File

@ -151,7 +151,7 @@ getMachOSection(StringRef Segment, StringRef Section,
const MCSection *MCContext::
getELFSection(StringRef Section, unsigned Type, unsigned Flags,
SectionKind Kind, bool IsExplicit, unsigned EntrySize) {
SectionKind Kind, unsigned EntrySize) {
if (ELFUniquingMap == 0)
ELFUniquingMap = new ELFUniqueMapTy();
ELFUniqueMapTy &Map = *(ELFUniqueMapTy*)ELFUniquingMap;
@ -165,7 +165,7 @@ getELFSection(StringRef Section, unsigned Type, unsigned Flags,
EntrySize = MCSectionELF::DetermineEntrySize(Kind);
}
MCSectionELF *Result = new (*this) MCSectionELF(Entry.getKey(), Type, Flags,
Kind, IsExplicit, EntrySize);
Kind, EntrySize);
Entry.setValue(Result);
return Result;
}

5
lib/MC/MCParser/ELFAsmParser.cpp
View File

@ -331,8 +331,7 @@ bool ELFAsmParser::ParseDirectiveSection(StringRef, SMLoc) {
? SectionKind::getText()
: SectionKind::getDataRel();
getStreamer().SwitchSection(getContext().getELFSection(SectionName, Type,
Flags, Kind, false,
Size));
Flags, Kind, Size));
return false;
}
@ -406,7 +405,7 @@ bool ELFAsmParser::ParseDirectiveIdent(StringRef, SMLoc) {
MCSectionELF::SHF_MERGE |
MCSectionELF::SHF_STRINGS,
SectionKind::getReadOnly(),
false, 1);
1);
static bool First = true;

55
lib/MC/MCSectionELF.cpp
View File

@ -29,14 +29,6 @@ bool MCSectionELF::ShouldOmitSectionDirective(StringRef Name,
return false;
}
// ShouldPrintSectionType - Only prints the section type if supported
bool MCSectionELF::ShouldPrintSectionType(unsigned Ty) const {
if (IsExplicit && !(Ty == SHT_NOBITS || Ty == SHT_PROGBITS))
return false;
return true;
}
void MCSectionELF::PrintSwitchToSection(const MCAsmInfo &MAI,
raw_ostream &OS) const {
@ -84,31 +76,30 @@ void MCSectionELF::PrintSwitchToSection(const MCAsmInfo &MAI,
OS << '"';
if (ShouldPrintSectionType(Type)) {
OS << ',';
// If comment string is '@', e.g. as on ARM - use '%' instead
if (MAI.getCommentString()[0] == '@')
OS << '%';
else
OS << '@';
if (Type == MCSectionELF::SHT_INIT_ARRAY)
OS << "init_array";
else if (Type == MCSectionELF::SHT_FINI_ARRAY)
OS << "fini_array";
else if (Type == MCSectionELF::SHT_PREINIT_ARRAY)
OS << "preinit_array";
else if (Type == MCSectionELF::SHT_NOBITS)
OS << "nobits";
else if (Type == MCSectionELF::SHT_PROGBITS)
OS << "progbits";
if (EntrySize) {
OS << "," << EntrySize;
}
OS << ',';
// If comment string is '@', e.g. as on ARM - use '%' instead
if (MAI.getCommentString()[0] == '@')
OS << '%';
else
OS << '@';
if (Type == MCSectionELF::SHT_INIT_ARRAY)
OS << "init_array";
else if (Type == MCSectionELF::SHT_FINI_ARRAY)
OS << "fini_array";
else if (Type == MCSectionELF::SHT_PREINIT_ARRAY)
OS << "preinit_array";
else if (Type == MCSectionELF::SHT_NOBITS)
OS << "nobits";
else if (Type == MCSectionELF::SHT_PROGBITS)
OS << "progbits";
if (EntrySize) {
assert(Flags & MCSectionELF::SHF_MERGE);
OS << "," << EntrySize;
}
OS << '\n';
}